Articles tagged with Hydrogen Storage
Tiny bubbles in water electrolysis can account for significant efficiency losses, ranging from 5-25% of total energy input. Researchers are exploring ways to design electrode surfaces and optimize operating conditions to manage bubble buildup and improve performance.
Researchers at KAUST have discovered that depleted oil fields can be used to store hydrogen in a safe and efficient manner. This method involves incorporating hydrogen into carbon-based molecules called Liquid Organic Hydrogen Carriers (LOHCs), which can then be stored underground and extracted to recover residual oil.
Researchers at Tohoku University have developed a comprehensive digital materials ecosystem that integrates AI tools to streamline materials design, enabling faster and more accurate discovery of new materials. The ecosystem uses databases, AI, and scientific workflows to predict material properties and optimize design processes.
Researchers from Tokyo Metropolitan University have discovered a hydrogen-absorbing material with negative thermal expansion properties, which can be tuned by adjusting the amount of hydrogen. This finding promises custom high-precision ingredients for precision nanotechnology, addressing volume changes in materials under heating.
Researchers developed a nickel-enriched biochar from marine microalgae that can detect hydrogen peroxide at low concentrations, with fast response times. The sensor's stability and sensitivity are improved by the uniform distribution of catalytic sites.
Researchers at Tohoku University developed DIVE, an AI multi-agent workflow that extracts information from images to propose new materials within minutes. The system outperforms commercial models, offering 10-15% better accuracy and coverage of data extraction.
Researchers develop biochar-based phase change material that captures, stores, and releases heat with high efficiency while locking carbon away. The resulting material stores nearly twice as much latent heat as lower-temperature versions.
A new study reveals a simple two-stage catalytic system using corn straw, biochar, and nickel-based catalysts can more than double the hydrogen content of gas produced during biomass pyrolysis. The addition of biochar as a pre-catalyst further increases hydrogen yield.
Researchers developed a transparent and interpretable model to predict performance metrics of hydrogen storage materials, using atomic features as key descriptors. The model identified a fundamental trade-off between high capacity and suitable thermodynamic stability, revealing unique beryllium-based alloys with balanced characteristics.
Research finds that surface roughness influences the formation and size of hydrogen-related defects in iron, leading to a new approach to material design. The study provides fundamental understanding of hydrogen embrittlement mechanisms and could reduce life-cycle costs of hydrogen technologies.
Researchers have developed a modified biochar made from biogas residue that can efficiently remove ammonium nitrogen from water. The potassium-permanganate-modified biochar achieved an adsorption capacity up to four times greater than unmodified biochar, making it a promising tool for environmental remediation.
Researchers from MANA develop a cost-effective, high-performance catalyst using green rust to support the use of sodium borohydride as a hydrogen storage material. The new catalyst achieves comparable performance to precious metal-based materials and shows excellent durability.
A comprehensive safety assessment framework for liquid hydrogen storage systems in UAVs has been developed, addressing thermal performance and structural integrity challenges. The framework integrates multiple analyses, including thermal insulation, structural analysis, fatigue testing, and impact assessments.
Scientists from Institute of Science Tokyo have created a solid electrolyte-based hydrogen battery that stores and releases hydrogen at temperatures below 100 °C, overcoming high-temperature and low-capacity limitations. The battery offers practical solutions for hydrogen-powered vehicles and clean energy systems.
Researchers used advanced X-ray imaging to track how tiny defects in stainless steel respond to hydrogen exposure. The study revealed three key changes once hydrogen was introduced, allowing internal defects to move more easily and leading to unexpected failure in metals.
A team of researchers has discovered a novel oxide material that can produce high-efficiency clean hydrogen using only heat. The discovery was made possible by a new computational screening method and has the potential to transform industries such as methane reforming and battery recycling.
Researchers at RIKEN have developed a mechanochemical method to increase hydrogen saturation in perovskite powder, doubling its capacity. This discovery has significant implications for environmental sustainability and the potential for a hydrogen-based economy, as it enables more efficient production of ammonia fertilizer.
University of Sydney researchers have developed a method to produce ammonia in gas form using electricity, offering a more sustainable alternative to the current Haber-Bosch process. This new approach reduces energy consumption and greenhouse gas emissions, making it a promising solution for the agricultural and hydrogen industries.
Researchers successfully reproduced high-pressure synthesis reaction of superhydrides using a machine learning model, revealing a unique reaction pathway involving surface melting, hydrogen absorption, and solidification. This breakthrough deepens understanding of high-pressure physico-chemical processes and holds promise for easier de...
Researchers at Pohang University of Science & Technology have developed a novel iron-based catalyst that more than doubles the conversion efficiency of thermochemical green hydrogen production. The new catalyst, iron-poor nickel ferrite (Fe-poor NiFe2O4), enables significantly greater oxygen capacity even at lower temperatures.
The design enables liquid hydrogen to be used as both a clean fuel and a built-in cooling medium, achieving an optimal gravimetric index of 0.62, which is significantly better than conventional designs. The system uses tank pressure control to regulate the flow of hydrogen fuel without mechanical pumps.
Researchers developed atomically dispersed barium hydride catalysts for the synthesis of deuterated alkylarenes, showcasing high turnover frequencies and regioselectivity. The catalyst's efficiency surpasses both homogeneous and heterogeneous counterparts, with applications in tritium labeling.
The new electrolysis test centre at TU Graz enables researchers to conduct realistic tests on next-generation large engines, turbines, and fuel cell stacks. The facility produces up to 50 kilogrammes of hydrogen at full capacity.
Dr. Rita Okoroafor's research integrates geochemistry, geomechanics, and reservoir engineering to improve understanding of fluid-rock interactions in subsurface technologies. Her work enhances hydrogen storage efficiency, optimizes geothermal reservoir performance, and improves CO2 storage security.
Experts discuss scientific and technological challenges in the energy transition, including solar technologies, hydrogen, batteries, grid management, and future energy sources. The joint paper recommends innovations leading to next-gen photovoltaic technology, green hydrogen production, and AI-powered grid management.
Three University of Houston professors, Birol Dindoruk, Megan Robertson, and Francisco Robles Hernandez, have been named Senior Members of the National Academy of Inventors. The recognition highlights their dedication to innovation and research excellence.
Researchers identified an unknown family of microbes uniquely adapted to tropical peatlands, with a dual role in the carbon cycle. These microbes can either stabilize or intensify climate change by releasing greenhouse gases like CO2 and methane.
The collaboration aims to drive innovation in renewable energy technologies, focusing on advancements in solar, wind, and other new and renewable energy systems. Research efforts will also study microgrid technologies, grid management solutions, and explore energy-efficient buildings and processes.
Southwest Research Institute has launched a joint industry project to develop technologies for hydrogen-powered heavy-duty refueling operations. The four-year program aims to strengthen existing refueling station equipment and procedures, exploring alternatives to address supply chain issues and technical challenges.
Researchers from Delft University of Technology have developed a new 3D electrode design for the Battolyser, enabling it to store twice the amount of electricity and charge four times faster. This innovative design reduces space and costs while producing green hydrogen comparable to existing electrolysers.
A recent study published in Nature Communications has reported a method for determining the location of hydrogen in nanofilms. The researchers used nuclear reaction analysis and ion channeling to generate two-dimensional angular mapping of titanium hydride nanofilms, precisely locating both hydrogen and deuterium atoms.
Researchers developed a highly sensitive hydrogen detection system using tunable diode laser absorption spectroscopy (TDLAS) with high selectivity and rapid response. The new method achieved accurate measurements of hydrogen concentrations from 0.01% to 100%, improving the detection limit at longer integration times.
Researchers at the University of Groningen have successfully produced liquid hydrogen using a novel magnetocaloric cooling method, which consumes less energy and eliminates greenhouse gas refrigerant use. The breakthrough material does not contain rare-earth metals, reducing environmental concerns.
The Pacific Northwest is launching a clean hydrogen economy with a $27.5 million Department of Energy funding award. The project aims to develop and market economical clean hydrogen power solutions to meet the United States' clean energy goal while ensuring at least 40% of the benefits flow to disadvantaged communities.
Researchers developed a crystalline solid that can adsorb and release ammonia, making it easy to recover. The material's high density and ease of desorption make it a promising solution for efficient hydrogen storage.
A team of researchers has developed materials that significantly improve the production of green hydrogen through redox cycles. The process uses microwave radiation to obtain hydrogen from renewable electrical energy, reducing CO2 emissions and increasing efficiency. The study, published in Advanced Energy Materials, demonstrates the s...
Researchers at Stanford University have made significant advancements in the development of a 'liquid battery' technology that uses LOHCs to store and release energy. The team discovered a novel, selective catalytic system that allows for the efficient storage of electrical energy in liquid fuels without generating gaseous hydrogen.
The new materials offer an alternative to metal-organic frameworks (MOFs) and have already shown early promise for the capture of iodine. They are yet to be fully explored but hold potential for applications in proton conduction, catalysis, water capture, and hydrogen storage.
Researchers developed ultra-thin H-V2O5 nanosheets to enhance MgH2 hydrogen storage, achieving lower desorption temperatures and rapid kinetics. The composite material exhibits outstanding performance, with high capacity retention and stability.
Researchers developed a groundbreaking data-driven model to predict dehydrogenation barriers of magnesium hydride, a promising material for solid-state hydrogen storage. The model offers a faster, more efficient way to assess the performance of hydrogen storage materials, bridging the knowledge gap left by experimental techniques.
A study by Raheel Ahmed Shaikh and colleagues models the most cost-efficient path to Australia's fully renewable electricity grid. The optimal route would require significant expansion of generation and storage, but could reduce costs with interconnection between eastern and western grids.
Researchers found that hydrogen can be stored in depleted oil and gas reservoirs without getting stuck, as long as the rock is properly sealed. The study also showed that residual natural gas can be released from the rock into the hydrogen when injected, making it a potentially viable option for seasonal and long-term storage.
Researchers developed a novel hydrogen injection method using palladium to address contact issues of buried oxide thin film transistors. This method reduces contact resistance by two orders of magnitude and increases charge carrier mobility, enabling the application of amorphous oxide semiconductors in next-generation storage devices.
A team of researchers from Kyushu University has developed a novel iridium-based compound that can efficiently store electrons from hydrogen in a solid state. The stored electrons can be extracted and used to catalyze useful chemical reactions, such as cyclopropanation, with significant advantages over conventional techniques.
Scientists have developed a nanoporous magnesium borohydride structure that stores five hydrogen molecules in three-dimensional arrangement, achieving unprecedented high-density hydrogen storage. The material exhibits a capacity of 144 g/L per volume of pores, surpassing traditional methods and offering a promising alternative to large...
A research team identified manganese oxide and cobalt oxide as effective catalysts for accelerating ortho-to-para conversion of molecular hydrogen. The study provides guidelines for designing anti-evaporation catalysts, which are crucial for long-distance hydrogen transportation.
A new study by the University of Sydney has found that adding molybdenum to steel reinforced with metal carbides enhances its ability to trap hydrogen. This discovery is a significant step towards solving the multi-billion-dollar problem of hydrogen embrittlement in steels.
A new study by GIST researchers provides efficient hydrogen storage solutions using clathrate hydrates, overcoming limitations such as limited gas storage capacities and slow formation rates. The study offers crucial insights for developing clathrate hydrate-based technologies for carbon dioxide separation and hydrogen storage.
Researchers have optimized thermodynamics and kinetics of Mg-In-Ti hydrogen storage system, improving de/hydrogenation properties. The study aims to combine advantages of MXenes and In alloying for simultaneous alteration of Mg-based hydrogen storage materials.
A $161 million grant from the DOD will support research into tunable thermal conductivity and latent heat storage effects in materials. The new equipment enables analysis across a wide temperature range and various pressures and humidity levels, paving the way for adaptive materials with dynamically tunable phase change properties.
Kyushu University researchers have developed a new material that can store hydrogen energy for up to three months at room temperature, using an inexpensive element like nickel. This innovation could potentially reduce the cost of future compounds and contribute to the transition to alternative energy sources.
Researchers developed a method to form tailored nanoscale windows in porous materials called MOFs using an architectural arch-forming template. This approach enables precise control over structure formation, leading to the creation of new materials with potential gas separation, medical applications and energy security benefits.
A new catalyst designed by researchers at City University Hong Kong and tested by Imperial College London could boost renewable energy storage. The catalyst uses single atoms of platinum to produce an efficient but cost-effective platform for water splitting, paving the way for cheaper hydrogen production.
Core-shell nanostructured Mg-based hydrogen storage materials show excellent kinetics and long-term cycling performances. They can absorb and desorb hydrogen at relatively low temperatures, reducing energy consumption in hydrogen storage and release. The materials have potential to improve Mg-based hydrogen storage systems for various ...
Researchers at RIKEN CEMS have discovered a perovskite compound that can safely store corrosive ammonia gas as a nitrogen compound, allowing for efficient storage and retrieval of hydrogen. The process is much cheaper than traditional methods and can be repeated multiple times.
Researchers at PNNL have developed a baking soda solution for storing hydrogen, addressing the challenge of long-duration energy storage. The study aims to advance the DOE's H2@Scale initiative and reduce the cost of hydrogen production.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers at Penn State discovered that coal can act as a geological hydrogen battery, storing hydrogen for future use. The team found that coal's unique structure and properties make it an ideal material for hydrogen storage, with low-volatile bituminous coal performing best in tests.
Researchers from Tianjin University provide an insightful review of proton exchange membrane fuel cells (PEMFCs) for small-scale applications. The study highlights the unique attributes of PEMFCs, such as high energy densities and low pollution emissions, making them suitable for portable power generation, unmanned aerial vehicles, and...
Researchers have created a transformer model for Metal-Organic Frameworks (MOFs), allowing for faster results and less data. The MOFTransformer model predicts key properties such as hydrogen storage capacity with improved accuracy.